Solar Water Heaters Market Report 2026

Solar Water Heaters Market Overview

• Solar Water Heaters market size has reached to $4.95 billion in 2025 • Expected to grow to $6.81 billion in 2030 at a compound annual growth rate (CAGR) of 6.6% • Growth Driver: Solar Water Heaters Gain Momentum Amidst Soaring Energy Costs • Market Trend: Innovative Off-Grid Solar Water Heating Solutions With AI-Driven Energy Management • North America was the largest region in 2025 and Asia-Pacific is the fastest growing region.

What Is Covered Under Solar Water Heaters Market?

Solar water heaters are systems that utilize solar energy to heat water for domestic, commercial, and industrial use. They typically consist of solar thermal collectors and a storage tank, efficiently converting sunlight into heat to provide hot water. These systems reduce the reliance on traditional energy sources, lowering energy costs and decreasing greenhouse gas emissions. The main solar water heater systems are thermosiphon and pumped. A thermosiphon solar water heating system operates on the principle of natural convection, where cold water in the collector absorbs solar heat, becomes lighter, and naturally rises into the storage tank located above the collector. They use various collectors, such as an evacuated tube collector, a flat plate collector, and an unglazed water collector. They are available in different capacities, such as 100 liters, 150 liters, 200 liters, and others. They are used for various applications, such as residential, commercial, and industrial.

What Is The Solar Water Heaters Market Growth Forecast?

The solar water heaters market size is expected to see strong growth in the next few years. It will grow to $6.81 billion in 2030 at a compound annual growth rate (CAGR) of 6.6%. The growth in the forecast period can be attributed to growing demand for low carbon heating technologies, expansion of commercial solar water heating installations, integration of smart monitoring systems, technological improvements in high efficiency solar collectors, increasing focus on reducing fossil fuel dependency. Major trends in the forecast period include rising demand for energy efficient water heating solutions, increasing adoption of advanced solar collector technologies, growing shift toward residential solar heating systems, expansion of commercial and industrial solar heating applications, improved thermal storage and system durability enhancements.

Global Solar Water Heaters Market Segmentation

1) By System: Thermosiphon, Pumped 2) By Collector: Evacuated Tube Collector, Flat Plate Collector, Unglazed Water Collector 3) By Capacity: 100 L, 150 Liter, 200 Liter, Other Capacity 4) By Application: Residential, Commercial, Industrial Subsegments: 1) By Thermosiphon: Direct Thermosiphon Systems, Indirect Thermosiphon Systems 2) By Pumped: Active Pumped Systems, Passive Pumped Systems

What Is The Driver Of The Solar Water Heaters Market?

The increasing energy prices are expected to propel the growth of the solar water heater market going forward. Energy refers to the fundamental entity of nature that is transferred between parts of a system in the production of usable power, such as heat or electricity. The prices are rising due to increased demand, supply constraints, geopolitical tensions, and the transition to renewable energy sources. Solar water heaters play a vital role in mitigating the impact of increasing energy prices by providing a cost-effective and sustainable alternative for water heating. For instance, in October 2024, according to Eurostat, a Luxembourg-based government agency, in the first half of 2024, household electricity prices in the EU experienced the largest increase in Ireland, rising by 37% compared to the same period in 2023. Therefore, increasing energy prices are driving the growth of the solar water heater industry.

Key Players In The Global Solar Water Heaters Market

Major companies operating in the solar water heaters market are Robert Bosch GmbH, Hubbell Incorporated, Viessmann Manufacturing, Ariston Group, Rheem Manufacturing Company, Stiebel Eltron Inc., Tata Power Solar Systems Limited, V-Guard Industries Ltd., Bradford White Corporation, Himin Solar Energy Group, Photon Energy Systems Ltd., A. O. Smith, Central Electronics Limited, Alternate Energy Technologies LLC, Kodsan Isı Teknolojileri, SunEarth Inc., Apricus Solar Co. Ltd., Jupiter Solar Power Limited, SunTank, Solav Energy, Ferroli S.p.A., FAFCO Inc., Wagner & Co Solartechnik GmbH, Chemtrols Solar Pvt. Ltd., Nihon Itomic Co. Ltd.

Global Solar Water Heaters Market Trends and Insights

Major companies operating in the solar water heaters market are focusing on developing innovative solutions such as photovoltaic (PV) direct-drive water heating to improve energy efficiency, reduce reliance on conventional electricity, and enable seamless integration of solar power for residential and commercial water heating applications. Photovoltaic (PV) direct-drive water heating refers to a system in which solar PV panels directly power a water heating element or pump without the need for intermediate batteries or inverters, allowing sunlight to be converted straight into heat for water, thereby increasing efficiency and reducing energy losses. For instance, in November 2025, Apparent Inc., a US-based solar company, launched a DC-powered solar water heater designed for residential use that operates entirely off-grid using low-voltage direct current electricity from conventional solar panels. This system features a patented Advanced Alloy Heating Element that offers 30% greater heat storage capacity and retains temperature longer. It can offset 100% of a home's water heating costs, which typically account for 20-30% of monthly energy bills. The product also includes an AI-driven control platform called igOS for real-time energy management through a smartphone app, optimizing performance even in low-light conditions.

What Are Latest Mergers And Acquisitions In The Solar Water Heaters Market?

In December 2023, Leminar Global, an India-based solar solutions provider, partnered with Calpak, to expand its solar project offerings and accelerate adoption of advanced solar technologies in India. With this partnership aims to strengthen deployment of high-efficiency solar systems, enhance renewable energy adoption, and promote sustainable, clean energy solutions across the Indian market. Calpak is a US-based solar thermal technology company that specializes in manufacturing and supplying comprehensive solar system solutions.

Regional Outlook

North America was the largest region in the solar water heaters market in 2025. Asia-Pacific is expected to be the fastest-growing region in the forecast period. The regions covered in this market report are Asia-Pacific, South East Asia, Western Europe, Eastern Europe, North America, South America, Middle East, Africa. The countries covered in this market report are Australia, Brazil, China, France, Germany, India, Indonesia, Japan, Taiwan, Russia, South Korea, UK, USA, Canada, Italy, Spain.

What Defines the Solar Water Heaters Market?

The solar water heater market consists of sales of products such as solar collectors, storage tanks, circulation systems, controllers, and backup heating systems. Values in this market are ‘factory gate’ values, that is, the value of goods sold by the manufacturers or creators of the goods, whether to other entities (including downstream manufacturers, wholesalers, distributors, and retailers) or directly to end customers. The value of goods in this market includes related services sold by the creators of the goods.

How is Market Value Defined and Measured?

The market value is defined as the revenues that enterprises gain from the sale of goods and/or services within the specified market and geography through sales, grants, or donations in terms of the currency (in USD unless otherwise specified). The revenues for a specified geography are consumption values that are revenues generated by organizations in the specified geography within the market, irrespective of where they are produced. It does not include revenues from resales along the supply chain, either further along the supply chain or as part of other products.

What Key Data and Analysis Are Included in the Solar Water Heaters Market Report 2026?

The solar water heaters market research report is one of a series of new reports from The Business Research Company that provides market statistics, including industry global market size, regional shares, competitors with the market share, detailed market segments, market trends and opportunities, and any further data you may need to thrive in the solar water heaters industry. The market research report delivers a complete perspective of everything you need, with an in-depth analysis of the current and future state of the industry.